docs(native): Add documentation for Presto C++ Installation

[saurabhmahawar]

Description

Added new documentation explaining how to use the Presto C++ engine.
The documentation provides step-by-step instructions for configuring, and running the Presto C++ worker

Motivation and Context

There was no consolidated or beginner-friendly documentation for Presto C++ in the open-source project.
Users often had difficulty understanding how to build and run the C++ worker, what dependencies were required, and how it integrates with a Presto coordinator.

Impact

There is no performance impact.

Test Plan

Contributor checklist

• Please make sure your submission complies with our contributing guide, in particular code style and commit standards.
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Release Notes

== NO RELEASE NOTE ==

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds new Sphinx documentation describing how to install and run the Presto C++ worker, including build, configuration, and integration steps, by introducing a dedicated installation guide and wiring it into the existing Presto C++ docs hierarchy.

File-Level Changes

Change	Details	Files
Introduce a dedicated installation guide for the Presto C++ worker.	Create a new Sphinx documentation page focused on installing and configuring the Presto C++ worker Document prerequisites and dependencies required to build the C++ engine Provide step-by-step instructions for building the worker from source and configuring it to connect to a Presto coordinator Describe how to start and validate a running C++ worker instance	presto-docs/src/main/sphinx/presto_cpp/installation.rst
Wire the new installation guide into the existing Presto C++ documentation structure.	Update the main Presto C++ documentation index to reference the new installation guide Ensure the new page participates in the Sphinx TOC so it appears in the rendered docs navigation	presto-docs/src/main/sphinx/presto-cpp.rst

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[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: saurabhmahawar / name: Saurabh Mahawar (3f5d4e7, 93b48e3)

[sourcery-ai]

Hey there - I've reviewed your changes - here's some feedback:

• Since you’ve moved content under presto_cpp/installation.rst, make sure presto-cpp.rst (and any relevant toctrees) links to this new doc so it’s discoverable from the main navigation.
• Check for any existing references or deep links to presto-cpp.rst that should now point to the new presto_cpp/installation.rst path to avoid broken links in the published docs.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- Since you’ve moved content under `presto_cpp/installation.rst`, make sure `presto-cpp.rst` (and any relevant toctrees) links to this new doc so it’s discoverable from the main navigation.
- Check for any existing references or deep links to `presto-cpp.rst` that should now point to the new `presto_cpp/installation.rst` path to avoid broken links in the published docs.

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[steveburnett]

Thanks for the doc! I made a lot of notes, mostly formatting and phrasing to fit the tone of technical documentation. Some suggestions and ideas for you to consider.

[steveburnett]

Thanks for the revision! This is looking better, so this review is mostly focused on revision suggestions to improve the consistency of the tone with the rest of the Presto documentation.

I have tried to explain my comments and suggestions. Let me know if you have any questions or concerns about these and we can discuss them if you want to.

[steveburnett]

Hi, @saurabhmahawar! You have comments showing screenshots of changes, but those changes are not in the file in this PR. Have you pushed your changes to GitHub?

When you have time, please take a look at the rest of my comments from my previous review. Thanks!

[steveburnett]

Thanks for the update, good progress! A few more suggestions.

[steveburnett]

Suggest replacing "Docker Compose" with a link to the heading "Create docker-compose.yml" in line 178.

[steveburnett]

LGTM! (docs)

Pull updated branch, new local doc build, looks good. Thanks!